JPH04506845A - |
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| 申请号 | JP50417490 | 申请日 | 1990-03-02 | 公开(公告)号 | JPH04506845A | 公开(公告)日 | 1992-11-26 |
| 申请人 | Hofseth Olav; | 发明人 | |||||
| 摘要 | PCT No. PCT/EP90/00349 Sec. 371 Date Nov. 4, 1991 Sec. 102(e) Date Nov. 4, 1991 PCT Filed Mar. 2, 1990 PCT Pub. No. WO90/10123 PCT Pub. Date Sep. 7, 1990.A vacuum drainage system for sanitary equipment such as toilets, urinals and sinks etc., comprising branching pipes connected to the sanitary equipment and ending in a collecting pipe (5), and a vacuum device (2) connected to the collecting pipe (5) producing vacuum in the pipes and transporting sewerage from the sanitary equipment to e.g. a collection tank (1) or purification plant. The vacuum device comprises one or optionally several screw pumps (2) with a mill or grinding device for grinding solid particles in the sewerage and being connected directly to the collecting pipe (5). | ||||||
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| 说明书全文 | |||||||
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